CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2023-22917
High (7.5) in zyxel. EPSS 0.9% chance of exploitation in the next 30 days.
A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00 through 5.32, USG FLEX 50(W) firmware versions 5.10 through 5.32, USG20(W)-VPN firmware versions 5.10 through 5.32, and VPN series firmware versions 5.00 through 5.35, which could allow a remote unauthenticated attacker to cause a core dump with a request error message on a vulnerable device by uploading a crafted configuration file.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
- CWE
- CWE-120
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zyxel:atp100_firmware
- zyxel:atp100w_firmware
- zyxel:atp200_firmware
- zyxel:atp500_firmware
- zyxel:atp700_firmware
- zyxel:atp800_firmware
- zyxel:usg_20w-vpn_firmware
- zyxel:usg_flex_100_firmware
- zyxel:usg_flex_100w_firmware
- zyxel:usg_flex_200_firmware
- zyxel:usg_flex_500_firmware
- zyxel:usg_flex_50_firmware
- zyxel:usg_flex_50w_firmware
- zyxel:usg_flex_700_firmware
- zyxel:vpn1000_firmware
- zyxel:vpn100_firmware
- zyxel:vpn300_firmware
- zyxel:vpn50_firmware